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Official data from INPI

PROCESSO E APARELHO PARA LIQUEFACAO DE CARVAO

Em AnáliseInvention Patent
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Application data

Number

PI8407335

Type

Invention Patent

Filing

06/29/1984

Publication

11/25/1986
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing06/29/84
  2. Publication11/25/86
  3. Examination07/28/87
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANKYO YUKI KK [JP]

Inventors

Y. [. (pessoa física)

Technical data

IPC Classification

C10G 1/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1986

RPI 840

Retificação

#15.3

11/05/1991

RPI 1092

Conhecimento de parecer técnico

#7.1

02/26/1991

RPI 1056

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